Solar flares — Nov 17, 2025
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The strongest solar flare in the day
Flare of C7.5 level (normal) — in 01:30
Solar activity index
Value for Nov 17, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Nov 16, 2025 to Nov 17, 2025
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Nov 17, 2025
Total number of flares of class C and higher — 7 flares
C type — 7 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.25
|
10:37 | 10:41 | 10:46 | — |
|
C1.7
|
08:00 | 08:09 | 08:12 | — |
|
C1.6
|
06:41 | 06:48 | 06:53 | 4278 |
|
C1.5
|
06:08 | 06:11 | 06:16 | 4284 |
|
C1.3
|
04:19 | 04:27 | 04:30 | — |
|
C2.0
|
02:17 | 02:22 | 02:26 | 4284 |
|
C7.5
|
01:23 | 01:30 | 01:35 | 4284 |